%0 Journal Article %T In memory of Vyacheslav Z. Grines %J Russian journal of nonlinear dynamics %D 2023 %P 437-438 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2023_19_3_a9/ %G en %F ND_2023_19_3_a9